8.sin60°=( )
0 278960 278968 278974 278978 278984 278986 278990 278996 278998 279004 279010 279014 279016 279020 279026 279028 279034 279038 279040 279044 279046 279050 279052 279054 279055 279056 279058 279059 279060 279062 279064 279068 279070 279074 279076 279080 279086 279088 279094 279098 279100 279104 279110 279116 279118 279124 279128 279130 279136 279140 279146 279154 366461
| A. | $\sqrt{3}$ | B. | $\frac{\sqrt{3}}{2}$ | C. | $\frac{\sqrt{3}}{3}$ | D. | $\frac{1}{2}$ |